SCPE_NXM 1573 src/dps8/dps8_cpu.c return SCPE_NXM; SCPE_NXM 1586 src/dps8/dps8_cpu.c if (addr >= MEMSIZE) return SCPE_NXM; SCPE_NXM 6556 src/simh/scp.c reason = SCPE_NXM; SCPE_NXM 6647 src/simh/scp.c return SCPE_NXM;